54 degrees Celsius is equal to 129.2 degrees Fahrenheit. This conversion can be calculated using the formula:
[ \text{Fahrenheit} = (\text{Celsius} \times \frac{9}{5}) + 32 ]
Plugging in 54 for Celsius:
[ \text{Fahrenheit} = (54 \times \frac{9}{5}) + 32 = 129.2 ]235.